材料科学
电磁屏蔽
拉伤
电磁干扰
干扰(通信)
复合材料
纳米技术
光电子学
电子工程
电气工程
工程类
医学
频道(广播)
内科学
作者
Muchao Qu,Ziying Luo,Hong-Ji Chen,Yijing Qin,Dirk W. Schubert,Guanda Yang,Lei Han,Fritjof Nilsson
标识
DOI:10.1016/j.matdes.2024.113033
摘要
For wearable smart textile sensors, stability, accuracy and multi-functionality are key objectives. Achieving the optimal application requires delicately balancing the crucial physical properties of strain sensors, presenting a key technological challenge. This study addresses these challenges by presenting several properties and potential applications of a triple hierarchic polymeric knitted fabric. The fabric incorporates an internal conductive network constructed with silver nanowires (AgNWs) and polydopamine (PDA) coating on its outer surface. This innovative textile successfully strikes a balance between strain sensing and electromagnetic interference shielding while concurrently exhibiting biocompatibility and antimicrobial properties. Significantly, acknowledging the susceptibility of measurements from polymer-based strain sensor materials to time drift we introduce both a modeling approach and a novel calibration technique. This advancement facilitates the generation of stable cyclic sensing signals, even under substantial deformations of up to 80 % at a high stretching speed. Importantly, it provides a practical solution for addressing signal drift observed in flexible sensors when utilized in environments characterized by long-term and large deformations.
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